#F9E581#F9E581

#F9E581 is a very light, vivid yellow. Relative luminance 0.778; OKLCH L 91.8% C 0.123 H 98.3°. Best body text is #000000 at 16.55:1 contrast (WCAG AA passes).

Color values

HEX	#F9E581
RGB	rgb(249, 229, 129)
HSL	hsl(50, 91%, 74%)
HSV	hsv(50, 48%, 98%)
CMYK	cmyk(0%, 8%, 48.2%, 2.4%)
CIE-LAB	lab(90.67, -6.02, 50.90)
CIE-LCH	lch(90.67, 51.26, 96.74°)
OKLab	oklab(91.75% -0.0177 0.1216)
OKLCH	oklch(91.75% 0.123 98.3)
XYZ	xyz(71.0508, 77.7660, 32.0323)
Luminance	0.7776 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9E581 #8195F9

analogous

#F9A981 #F9E581 #D1F981

triadic

#F9E581 #81F9E5 #E581F9

tetradic

#F9E581 #81F9A9 #8195F9 #F981D1

square

#F9E581 #81F9A9 #8195F9 #F981D1

split-complementary

#F9E581 #81D1F9 #A981F9

monochromatic

#F3CD0C #F6D947 #F9E581 #FCF1BB #FEF9E2

Accessibility & contrast

On white

1.27

#F9E581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.55

#F9E581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9E581

16.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9E581	#FFFFFF	#000000	##000000
##F9E581	1.00	1.27	16.55	16.55
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.55	21.00	1.00	1.00
##000000	16.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6E079

Deuteranopia (green-blind)

#FCE785

Tritanopia (blue-blind)

#FFD8CD

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #f9e581;
/* rgb */ color: rgb(249, 229, 129);
/* oklch */ color: oklch(91.8% 0.123 98.3);

Tailwind

colors: {
  custom: {
    50: '#fdeda7',
    500: '#f9e581',
    950: '#000000',
  },
}

SCSS

$custom: #f9e581;
$custom-light: #fdeda7;
$custom-dark: #000000;

JSON

{
  "hex": "#f9e581",
  "rgb": {
    "r": 249,
    "g": 229,
    "b": 129
  },
  "hsl": {
    "h": 50,
    "s": 90.909,
    "l": 74.118
  },
  "oklch": {
    "l": 0.91754,
    "c": 0.12284,
    "h": 98.3
  },
  "luminance": 0.77763
}

Semantic roles & 50–950 ramp

primary

#F9E581

secondary

#4860D6

accent

#26E600

background

#FFFEFC

surface

#FFFDF6

border

#D7D5D0

text

#181610

muted

#868480

Preview Lab

Preview with #F9E581

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →